 <template>
  <div class="loading_container">
    <div class="load_img" :style="{backgroundPositionY: -(positionY%7)*2.5 + 'rem'}"></div>
    <div class="loaded"></div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      positionY: 0,
      timer: null
    };
  },
  mounted() {
    this.timer = setInterval(() => {
      this.positionY++;
    }, 600);
  },
  beforeDestroy() {
    clearInterval(this.timer);
  }
};
</script>

<style lang="scss" scoped>
@import "../../style/mixin";
.loaded {
  width: 200px;
  height: 200px;
  border: 3px solid transparent;
  border-bottom-color: $themeColor;
}
@keyframes load {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-50px);
  }
  100% {
    transform: translateY(0px);
  }
}
@keyframes ellipse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.3);
  }
  100% {
    transform: scale(1);
  }
}
.loading_container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  @include wh(58.5px, 58.5px);
}
.load_img {
  @include wh(100%, 100%);
  background: url(../../images/icon_loading.png) no-repeat 0 0;
  background-size: 58.5px auto;
  transform: translateY(0px);
  animation: load 0.6s infinite ease-in-out;
  position: relative;
  z-index: 11;
}
.load_ellipse {
  position: absolute;
  @include wh(2.14px, 47px);
  top: 2.47px;
  left: 0.47px;
  z-index: 10;
  animation: ellipse 0.6s infinite ease-in-out;
}
</style>
